Home / 107,688,005.40-161,532,008.10-39,508,037.40

Finding the Fourth Proportional to 107,688,005.40, 161,532,008.10 and 39,508,037.40

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Solution

The fourth proportional to 107,688,005.40, 161,532,008.10 and 39,508,037.40 is: 59,262,056.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,688,005.40 : 161,532,008.10 = 39,508,037.40 : x
  2. Step 2: Convert to fraction form
    107,688,005.40/161,532,008.10 = 39,508,037.40/x
  3. Step 3: Cross multiply
    107,688,005.40x = 161,532,008.10 × 39,508,037.40
  4. Step 4: Simplify right side
    107,688,005.40x = 6,381,812,617,311,902
  5. Step 5: Solve for x
    x = 6,381,812,617,311,902/107,688,005.40
  6. Step 6: Final answer
    x = 59,262,056.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.